ClinVar Miner

Submissions for variant NM_001165963.4(SCN1A):c.3405A>G (p.Glu1135=)

dbSNP: rs796052954
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000188827 SCV000242456 uncertain significance not provided 2012-09-14 criteria provided, single submitter clinical testing p.Glu1135Glu (GAA>GAG):c.3405 A>G in exon 16 of the SCN1A gene (NM_001165963.1) The c.3405 A>G nucleotide substitution has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The NHLBI ESP Exome Variant Project did not identify c.3405 A>G in approximately 6300 individuals of European or African American ethnicity, indicating that it is not a common benign variant in these populations. Some in silico models predict that the c.3405 A>G substitution could potentially create a new cryptic splice donor site that may supplant the natural site in exon 16 of the SCN1A gene and lead to abnormal splicing. However, in the absence of RNA/functional and clinical studies, the actual effect of the c.3405 A>G sequence change is unknown. This variant has been observed to be maternally inheritied with confirmed parentage. The variant is found in INFANT-EPI panel(s).
Invitae RCV002517008 SCV003238603 likely benign Early infantile epileptic encephalopathy with suppression bursts 2022-08-31 criteria provided, single submitter clinical testing

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